(x+21)=72

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Solution for (x+21)=72 equation: 


Simplifying
(x + 21) = 72

Reorder the terms:
(21 + x) = 72

Remove parenthesis around (21 + x)
21 + x = 72

Solving
21 + x = 72

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-21' to each side of the equation.
21 + -21 + x = 72 + -21

Combine like terms: 21 + -21 = 0
0 + x = 72 + -21
x = 72 + -21

Combine like terms: 72 + -21 = 51
x = 51

Simplifying
x = 51

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